Home / 579,385,103.80-869,077,655.70-273,275,087.80

Finding the Fourth Proportional to 579,385,103.80, 869,077,655.70 and 273,275,087.80

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Solution

The fourth proportional to 579,385,103.80, 869,077,655.70 and 273,275,087.80 is: 409,912,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,385,103.80 : 869,077,655.70 = 273,275,087.80 : x
  2. Step 2: Convert to fraction form
    579,385,103.80/869,077,655.70 = 273,275,087.80/x
  3. Step 3: Cross multiply
    579,385,103.80x = 869,077,655.70 × 273,275,087.80
  4. Step 4: Simplify right side
    579,385,103.80x = 237,497,272,666,435,680
  5. Step 5: Solve for x
    x = 237,497,272,666,435,680/579,385,103.80
  6. Step 6: Final answer
    x = 409,912,631.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.